Thundery Thursday
Posted at 8:30 AM on August 19, 2010
by Paul Huttner
Filed under: Rainfall, Severe weather
August may rumble again for much of Minnesota through tonight into Friday.
Synopsis:
A warm front is draped from eastern South Dakota through southern Minnesota today. As a low pressure wave surges toward Minnesota later today, showers and T-Storms will increase near the front. Action may be going in much of southwest Minnesota today, and gradually spread east into the metro by late afternoon and tonight.
Severe Threat:
The atmosphere is unstable enough that some of the storms may reach severe potential later today and tonight. It appears the highest chances for severe weather will be in southwest Minnesota today, then transition toward the metro and eastern Minnesota this evening and overnight.
The primary threats will be large hail and damaging winds, but a few isolated tornadoes cannot be ruled out...especially in southwest Minnesota. It is possible that Minnesota will add to our already nation leading torando tally again today into Friday.
Heavy rainfall potential:
Some of the storms may dump locally heavy rainfall as they move slowly northeast. Forecast models are cranking out an average of about 1.25" of rainfall for southern into central Minnesota. Keep in mind that summertime convective rains are not usually evenly distributed, and amounts will vary greatly depending on location.
(click to enlarge image)
Bottom line:
Chances for storms will increase from west to east across southern Minnesota today and tonight. Keep an eye and ear out for possible warnings as the day (and night) wears on.
-Latest Twin Cities radar loop
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Master Archive
Recent Entries
- GOES 13 Satellite goes down as hurricane season nears; Partly showery weekend
- Pushing the record for May rainfall
- Climate Cast: Putting the Moore tornado in the context of Climate Change
- Drought erased in Metro; 100% sunny today; Weekend not so scary wet
- OK Tornado Rated EF-5; Link to climate change? Sun returns tomorrow
- Mixed bag for Memorial Day weekend weather
- A teachable moment on tornado safety
- Moore tornado worse than May 1999; showers and thundestorms split Minn. today
- Moore "Super Tornado": Radar shows "hook echo" and "debris ball"
- "May-soon" continues; More scattered rain & T-Storms today; Slight severe risk
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